CN108237151B - A kind of ultra-thin copper cladding copper aluminum composite material and its production method - Google Patents
A kind of ultra-thin copper cladding copper aluminum composite material and its production method Download PDFInfo
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- CN108237151B CN108237151B CN201810060256.XA CN201810060256A CN108237151B CN 108237151 B CN108237151 B CN 108237151B CN 201810060256 A CN201810060256 A CN 201810060256A CN 108237151 B CN108237151 B CN 108237151B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B47/00—Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
Abstract
The present invention relates to a kind of ultra-thin copper cladding copper aluminum composite material and its production methods, belong to metal plate and belt processing technique field.The production method of ultra-thin copper cladding copper aluminum composite material of the invention, comprising: obtain Copper-Aluminum compound blank in one layer of aluminum cladding of aluminium layer surface recombination of Copper-Aluminum compound strip, cold-rolling treatment to get.The production method of ultra-thin copper cladding copper aluminum composite material of the invention, replace fine copper as cladding using thicker Copper-Aluminum compound strip, directly it is thinned the absolute thickness of layers of copper and increases its hot melt, it solves the prior art and is easy to produce burning during producing ultra-thin copper cladding copper aluminum composite material, layers of copper penetration is caused, technical problem that can not be compound；Compared to traditional being produced using electroplating technology, ultra-thin copper cladding copper aluminum composite material environmental pollution is small, and social benefit is significant simultaneously.
Description
Technical field
The present invention relates to a kind of ultra-thin copper cladding copper aluminum composite material and its production methods, belong to metal plate and belt processing technology
Field.
Background technique
In the market the production method of existing copper aluminum composite material mainly have Explosion composite (based on cut deal, copper cladding
Ratio is high about 20~60%), continuously casting rolling (based on the strip of 0.1~20mm, copper cladding ratio is in by-level,
About 10~35%), the methods of bimodulus casting, hydrostatic extrusion are easy in the low copper aluminum composite material of production copper cladding ratio
Cause copper cladding penetration due to burning.And electroplating technology generally processes copper coating and is also able to satisfy market demands to a certain extent,
But the adhesive strength to guarantee coating, cladding thickness are generally 5~20 μm, ratio is generally within 1%, and it is produced
The environmental pollution weight of technique.
Summary of the invention
The object of the present invention is to provide a kind of production methods of ultra-thin copper cladding copper aluminum composite material, solve the prior art and exist
The problem of be easy to causeing layers of copper to penetrate during producing ultra-thin copper cladding copper aluminum composite material.
Ultra-thin copper cladding copper aluminum composite material is made using aforementioned production method the present invention also provides a kind of.
In order to achieve the goal above, technology used by the preparation method of ultra-thin copper cladding copper aluminum composite material of the invention
Scheme is:
A kind of production method of ultra-thin copper cladding copper aluminum composite material, comprising: multiple on the aluminium layer surface of Copper-Aluminum compound strip
Unification layer aluminum cladding obtains Copper-Aluminum compound blank, cold rolling to get.
The ultra-thin copper cladding copper aluminum composite material with a thickness of 0.5~6mm.The thickness of copper cladding accounts for ultra-thin copper cladding copper
The ratio of aluminium composite material overall thickness is 1~8%.
It is carried out in a manner of metallurgical bonding between the layers of copper and aluminium layer of the Copper-Aluminum compound strip compound.
Preferably, the state of the aluminium layer material of the copper aluminum composite material is O state.The trade mark of layers of copper material is T2.Copper aluminium
The aluminium layer material of complex plate strip can be the wrought aluminium alloy of 1 system, 3 systems, 4 systems or 8 systems.Further, the Copper-Aluminum compound
The aluminium layer material of strip is the wrought aluminium alloy that the trade mark is 1060,1050,1100,3003,8011 or 8030.
The ingredient of the aluminum cladding can be identical or not identical with the ingredient of the aluminium layer material of Copper-Aluminum compound strip.
The Copper-Aluminum compound strip with a thickness of 0.8~6.0mm.The thickness of the layers of copper of Copper-Aluminum compound strip accounts for Copper-Aluminum compound
The ratio of strip overall thickness is 10~30%.Preferably, the thickness of the layers of copper of Copper-Aluminum compound strip accounts for Copper-Aluminum compound strip total thickness
The ratio of degree is 10~20%.It is further preferred that the thickness of the layers of copper of Copper-Aluminum compound strip accounts for Copper-Aluminum compound strip overall thickness
Ratio be 10~15%.
Preferably, in one layer of aluminum cladding of the aluminium layer surface recombination of Copper-Aluminum compound strip specifically: by the copper-aluminum composite board
The aluminium layer of band is contacted with state aluminium alloy liquid is partly melted, and then anaerobic continuous casting and rolling, obtains Copper-Aluminum compound blank.According to ultra-thin copper
Cladding copper aluminum composite material thickness needs to produce different Copper-Aluminum compound blanks, and thickness is generally 6~8mm, particular case
Lower reachable 20mm.The ratio that the thickness of layers of copper accounts for Copper-Aluminum compound sotck thinkness is 1~8%.The rolling of the anaerobic continuous casting and rolling
Speed is 0.5~1.5m/s.The draught pressure of the anaerobic continuous casting and rolling is 6 × 106~12 × 106N。
The half melt aluminum alloy melt body is that it is molten to be added necessary chemical element Si, Fe, Cu and Mn for aluminium ingot melting
Melt, then refine degasification, then stood the molten liquid after degasification is refined, then pour into the bast mouth of preheating, pours and cast out
Aluminium alloy liquid is through crystallisation by cooling to half melt.The temperature that aluminium ingot carries out melting is 700~850 DEG C.
The half melt aluminum alloy melt body can also be by aluminum alloy melts at liquid, then refining exhaust, then are stood,
Then it pours into the bast mouth of preheating, pours the aluminium alloy liquid cast out through crystallisation by cooling to half melt.
The temperature for refining degasification is 760~800 DEG C.The temperature that molten liquid after refining degasification is stood is 670~830
DEG C, the time of standing is 5~10min.
Half melt refers to that aluminium alloy liquid is cooled to semisolid district.
Before the aluminium layer of Copper-Aluminum compound strip is contacted with half melt aluminum alloy melt body, copper-aluminum composite board band is carried out at preheating
Reason.The pre-heat treatment is that Copper-Aluminum compound strip is heated to 230~250 DEG C.
To copper-aluminum composite board band carry out the pre-heat treatment before will also the aluminium layer to Copper-Aluminum compound strip successively carry out degreasing
It is handled with deoxidation.Degreasing is carried out using aluminium layer surface of the hot water wash to Copper-Aluminum compound strip.Deoxidation is to copper-aluminum composite board
It polishes to remove the oxide on aluminium layer surface on the aluminium layer surface of band.
The condition of the cold-rolling treatment are as follows: mill speed is 0.5~2.0m/s, and draught pressure is 5 × 106~15 × 106N,
Tension is 0.5 × 106~5 × 106N。
First pass reduction of the cold-rolling treatment is 10~18%, and total pass reduction is 30~60%.Process road
It is secondary to be at least 2 times.Preferably, processing passage is 3 times.
The production method of above-mentioned ultra-thin copper cladding copper aluminum composite material further includes by the Copper-Aluminum compound blank after cold-rolling treatment
It is made annealing treatment.
The temperature of the annealing is 200~350 DEG C, and the time is 2~10h.
The production method of ultra-thin copper cladding copper aluminum composite material of the invention, the thicker Copper-Aluminum compound strip of use replace pure
Copper is directly thinned the absolute thickness of layers of copper and increases its hot melt as cladding, and it is multiple in the ultra-thin copper of production to solve the prior art
It is easy to produce burning during layer copper aluminum composite material, causes layers of copper penetration, technical problem that can not be compound；While compared to
Traditional is small using the ultra-thin copper cladding copper aluminum composite material environmental pollution of electroplating technology production, and social benefit is significant.Height combines
The copper aluminum composite material of the ultra-thin copper cladding of intensity is in great demand, and the copper aluminum composite material of this method exploitation has filled up this sky
It is white.
Technical solution used by ultra-thin copper cladding copper aluminum composite material of the invention are as follows:
It is a kind of to use ultra-thin copper cladding copper aluminum composite material made from aforementioned production method.
Using the resulting ultra-thin copper cladding Copper-Aluminum compound of the production method of ultra-thin copper cladding copper aluminum composite material of the invention
Material often only needs 10~100 μm and is just enough to ensure that coloring, aluminium is as base in furnishing fields in application, copper face is appearance
Layer mainly plays a supportive role, and can be reduced the dosage of 5~40% copper, significant production reduces cost；Due to traditional copper aluminium composite wood
Material is thicker, adopts the ultra-thin copper cladding copper aluminum composite material being obtained by the present invention in communication field in application, especially may be used
To be applied to filter substrate, remarkable in economical benefits.
Specific embodiment
Below in conjunction with specific embodiment, the following further describes the technical solution of the present invention.
Embodiment 1
The production method of the ultra-thin copper cladding copper aluminum composite material of the present embodiment, comprising the following steps:
1) Copper-Aluminum compound strip is taken, hot water wash degreasing first is used to its aluminium face, then aluminium face is polished, is heated to 250 DEG C；Institute
The trade mark for stating Copper-Aluminum compound strip is T2/3003, and state is O state, and the thickness with a thickness of 2.5mm, width 500mm, layers of copper accounts for
The ratio of copper-aluminum composite board tape thickness is 10%, is carried out in a manner of metallurgical bonding between the layers of copper and aluminium layer of Copper-Aluminum compound strip
It is compound；
The aluminium alloy that the trade mark is 3003 is melted for liquid, degasification is then refined at 780 DEG C, then stands 8 points at 670 DEG C
Clock pours into the bast mouth of preheating, pours the aluminium alloy liquid cast out through crystallisation by cooling to half melt；
2) the resulting half melt aluminium alloy of step 1) is contacted with the buffed surface (aluminium face) of cladding, carries out anaerobic continuous casting and rolling
Up to Copper-Aluminum compound blank；The trade mark of the Copper-Aluminum compound blank is T2/3003, and with a thickness of 7.0mm, the thickness of layers of copper accounts for copper aluminium
The ratio of composite blank thickness is 3.1%；The mill speed of anaerobic continuous casting and rolling is 1m/s, and draught pressure is 6 × 106N；
3) by step 2) Copper-Aluminum compound blank carry out cold-rolling treatment, the first pass reduction of cold-rolling treatment is
15%, 3 passes, mill speed 1.0m/s are carried out, draught pressure is 8 × 106N, tension are 3.5 × 106N, obtaining thickness is
The cold rolling slab of 4.0mm；
4) the resulting cold rolling slab of step 3) is kept the temperature to 6h under the conditions of 330 DEG C to make annealing treatment, the state that obtains is O
State, metallurgical bonding ultra-thin copper cladding copper aluminum composite material, with a thickness of 4.0mm, the thickness of copper cladding accounts for ultra-thin copper cladding copper
The ratio of aluminium composite material thickness is 3.1%.
The ultra-thin copper cladding copper aluminum composite material of the present embodiment is made using the production method of the present embodiment.
Embodiment 2
The production method of the ultra-thin copper cladding copper aluminum composite material of the present embodiment, comprising the following steps:
1) Copper-Aluminum compound strip is taken, hot water wash degreasing first is used to its aluminium face, then aluminium face is polished, is heated to 250 DEG C；Institute
The trade mark for stating Copper-Aluminum compound strip is T2/8030, and state is O state, and the thickness with a thickness of 0.8mm, width 500mm, layers of copper accounts for
The ratio of copper-aluminum composite board tape thickness is 10%, is carried out in a manner of metallurgical bonding between the layers of copper and aluminium layer of Copper-Aluminum compound strip
It is compound；
The aluminium alloy that the trade mark is 8030 is melted for liquid, degasification is then refined at 800 DEG C, then stands 5 points at 830 DEG C
Clock pours into the bast mouth of preheating, pours the aluminium alloy liquid cast out through crystallisation by cooling to half melt；
2) the resulting half melt aluminium alloy of step 1) is contacted with the buffed surface (aluminium face) of cladding, carries out anaerobic continuous casting and rolling
Up to Copper-Aluminum compound blank；The trade mark of the Copper-Aluminum compound blank is T2/8030, and with a thickness of 6.0mm, the thickness of layers of copper accounts for copper aluminium
The ratio of composite blank thickness is 1.1%；The mill speed of anaerobic continuous casting and rolling is 1.5m/s, and draught pressure is 6 × 106N；
3) by step 2) Copper-Aluminum compound blank carry out cold-rolling treatment, the first pass reduction of cold-rolling treatment is
18%, 3 passes, mill speed 0.5m/s are carried out, draught pressure is 15 × 106N, tension are 5 × 106N, obtaining thickness is
The cold rolling slab of 3.0mm；
4) the resulting cold rolling slab of step 3) is kept the temperature to 10h under the conditions of 200 DEG C to make annealing treatment, the state of obtaining is
O state, metallurgical bonding ultra-thin copper cladding copper aluminum composite material, with a thickness of 3.0mm, the thickness of copper cladding accounts for ultra-thin copper cladding copper
The ratio of aluminium composite material thickness is 1.1%.
The ultra-thin copper cladding copper aluminum composite material of the present embodiment is made using the production method of the present embodiment.
Embodiment 3
The production method of the ultra-thin copper cladding copper aluminum composite material of the present embodiment, comprising the following steps:
1) Copper-Aluminum compound strip is taken, hot water wash degreasing first is used to its aluminium face, then aluminium face is polished, is heated to 240 DEG C；Institute
The trade mark for stating Copper-Aluminum compound strip is T2/8011, and state is O state, and the thickness with a thickness of 6.0mm, width 500mm, layers of copper accounts for
The ratio of copper-aluminum composite board tape thickness is 13%, is carried out in a manner of metallurgical bonding between the layers of copper and aluminium layer of Copper-Aluminum compound strip
It is compound；
By aluminium ingot in 800 DEG C of meltings, Si, Fe, Cu and Mn melting are added, then refines degasification at 760 DEG C, then
10 minutes are stood at 760 DEG C, is poured into the bast mouth of preheating, pours the aluminium alloy liquid cast out through crystallisation by cooling to half melt；
2) the resulting half melt aluminium alloy of step 1) is contacted with the buffed surface (aluminium face) of cladding, carries out anaerobic continuous casting and rolling
Up to Copper-Aluminum compound blank；The Copper-Aluminum compound blank with a thickness of 8.0mm, the thickness of layers of copper accounts for Copper-Aluminum compound sotck thinkness
Ratio is 8%；The mill speed of anaerobic continuous casting and rolling is 0.5m/s, and draught pressure is 9 × 106N；
3) by step 2) Copper-Aluminum compound blank carry out cold-rolling treatment, the first pass reduction of cold-rolling treatment is
10%, 2 passes, mill speed 2.0m/s are carried out, draught pressure is 5 × 106N, tension are 0.5 × 106N, obtaining thickness is
The cold rolling slab of 6.0mm；
4) the resulting cold rolling slab of step 3) is kept the temperature to 2h under the conditions of 350 DEG C to make annealing treatment, the state of obtaining is
H24 state, metallurgical bonding ultra-thin copper cladding copper aluminum composite material, with a thickness of 6.0mm, the thickness of copper cladding accounts for ultra-thin copper cladding
The ratio of copper aluminum composite material thickness is 8%.
The ultra-thin copper cladding copper aluminum composite material of the present embodiment is made using the production method of the present embodiment.
Embodiment 4
The production method of the ultra-thin copper cladding copper aluminum composite material of the present embodiment, comprising the following steps:
1) Copper-Aluminum compound strip is taken, hot water wash degreasing first is used to its aluminium face, then aluminium face is polished, is heated to 230 DEG C；Institute
The trade mark for stating Copper-Aluminum compound strip is T2/1100, and state is O state, and the thickness with a thickness of 1.0mm, width 500mm, layers of copper accounts for
The ratio of copper-aluminum composite board tape thickness is 15%, is carried out in a manner of metallurgical bonding between the layers of copper and aluminium layer of Copper-Aluminum compound strip
It is compound；
By aluminium ingot in 800 DEG C of meltings, Si, Fe, Cu and Mn melting are added, then refines degasification at 760 DEG C, then
10 minutes are stood at 760 DEG C, is poured into the bast mouth of preheating, pours the aluminium alloy liquid cast out through crystallisation by cooling to half melt；
2) the resulting half melt aluminium alloy of step 1) is contacted with the buffed surface (aluminium face) of cladding, carries out anaerobic continuous casting and rolling
Up to Copper-Aluminum compound blank；The Copper-Aluminum compound blank with a thickness of 8mm, the thickness of layers of copper accounts for the ratio of Copper-Aluminum compound sotck thinkness
Example is 1.5%；The mill speed of anaerobic continuous casting and rolling is 1.2m/s, and draught pressure is 12 × 106N；
3) by step 2) Copper-Aluminum compound blank carry out cold-rolling treatment, the first pass reduction of cold-rolling treatment is
12%, 3 passes, mill speed 1.5m/s are carried out, draught pressure is 12 × 106N, tension are 2 × 106N, obtaining thickness is
The cold rolling slab of 1.0mm；
4) the resulting cold rolling slab of step 3) is kept the temperature to 4h under the conditions of 270 DEG C to make annealing treatment, the state of obtaining is
H24 state, metallurgical bonding ultra-thin copper cladding copper aluminum composite material, with a thickness of 1.0mm, the thickness of copper cladding accounts for ultra-thin copper cladding
The ratio of copper aluminum composite material thickness is 1.5%.
The ultra-thin copper cladding copper aluminum composite material of the present embodiment is made using the production method of the present embodiment.
Comparative example 1
The preparation method of the copper aluminum composite material of this comparative example, comprising the following steps:
1) copper plate/strip that take width be 500mm, is T2 with a thickness of 0.8mm, the trade mark is beaten using hot water degreasing, then by one side
Mill, is then heated to 100 DEG C；
By aluminium ingot in 800 DEG C of meltings, Si, Fe, Cu and Mn melting are added, then refines degasification at 760 DEG C, then
10 minutes are stood at 760 DEG C, is poured into the bast mouth of preheating, pours the aluminium alloy liquid cast out through crystallisation by cooling to half melt；
2) by the resulting half melt aluminium alloy of step 1) and copper plate/strip polishing face contact, anaerobic continuous casting and rolling is carried out up to copper
Aluminium composite blank；The Copper-Aluminum compound blank with a thickness of 7.5mm, the ratio that the thickness of layers of copper accounts for Copper-Aluminum compound sotck thinkness is
10%；The mill speed of anaerobic continuous casting and rolling is 1.5m/s, and draught pressure is 12 × 106N；
3) by step 2) Copper-Aluminum compound blank carry out cold-rolling treatment, the first pass reduction of cold-rolling treatment is
25%, 1 passes, mill speed 2m/s are carried out, draught pressure is 12 × 106N, tension are 2.5 × 106N, obtaining thickness is
The cold rolling slab of 6.0mm；
4) the resulting cold rolling slab of step 3) is kept the temperature to 4h under the conditions of 350 DEG C to make annealing treatment, the state that obtains is O
State, metallurgical bonding copper aluminum composite material, with a thickness of 6.0mm, the thickness of copper cladding accounts for the ratio of copper aluminum composite material thickness
It is 10%.
Comparative example 2
The preparation method of the copper aluminum composite material of this comparative example, comprising the following steps:
1) copper plate/strip that take width be 800mm, is T2 with a thickness of 0.85mm, the trade mark is beaten using hot water degreasing, then by one side
Mill, is then heated to 100 DEG C；
By aluminium ingot in 800 DEG C of meltings, Si, Fe, Cu and Mn melting are added, then refines degasification at 760 DEG C, then
10 minutes are stood at 760 DEG C, is poured into the bast mouth of preheating, pours the aluminium alloy liquid cast out through crystallisation by cooling to half melt；
2) by the polishing face contact of step 1) resulting half melt aluminium alloy and copper plate/strip, carry out anaerobic continuous casting and rolling to obtain the final product
Copper-Aluminum compound blank；The Copper-Aluminum compound blank with a thickness of 7.5mm, the thickness of layers of copper accounts for the ratio of Copper-Aluminum compound sotck thinkness
It is 10%；The mill speed of anaerobic continuous casting and rolling is 1.5m/s, and draught pressure is 12 × 106N；
3) by step 2) Copper-Aluminum compound blank carry out cold-rolling treatment, the first pass reduction of cold-rolling treatment is
20%, 6 passes, mill speed 2m/s are carried out, draught pressure is 12 × 106N, tension are 2 × 106N, obtaining thickness is
The cold rolling slab of 1.0mm；
4) the resulting cold rolling slab of step 3) is kept the temperature to 4h under the conditions of 270 DEG C to make annealing treatment, the state of obtaining is
H24 state, metallurgical bonding ultra-thin copper cladding copper aluminum composite material, with a thickness of 1.0mm, the thickness of copper cladding accounts for ultra-thin copper cladding
The ratio of copper aluminum composite material thickness is 10%.
Experimental example
The ultra-thin copper cladding copper aluminum composite material of Examples 1 to 4 and the Copper-Aluminum compound material of comparative example 1~3 are detected respectively
The density of material, copper face hardness, tensile strength and elongation percentage, testing result are shown in Table 1.
The test result of table 1 tensile strength and elongation percentage
Production method of the invention is used it can be seen from data in table 1, is used not only for producing ultra-thin copper cladding copper
Aluminium composite material, and the ultra-thin copper cladding copper aluminum composite material density of gained is small, and has good mechanical property and ductility.
Claims (7)
1. a kind of production method of ultra-thin copper cladding copper aluminum composite material, it is characterised in that: include: the aluminium in Copper-Aluminum compound strip
The compound one layer of aluminum cladding of layer surface obtains Copper-Aluminum compound blank, cold-rolling treatment to get；The aluminium layer material of the copper aluminum composite material
State be O state, the trade mark of layers of copper material is T2, and aluminium layer material is the wrought aluminium alloy of 1 system, 3 systems or 8 systems；The copper aluminium is multiple
Plywood band with a thickness of 0.8 ~ 6.0mm, the thickness of layers of copper account for Copper-Aluminum compound strip overall thickness ratio be 10 ~ 30%；It is multiple in copper aluminium
One layer of aluminum cladding of aluminium layer surface recombination of plywood band specifically: by the aluminium layer of the Copper-Aluminum compound strip and half melt aluminum alloy melt
Body contact, then anaerobic continuous casting and rolling, obtains Copper-Aluminum compound blank.
2. the production method of ultra-thin copper cladding copper aluminum composite material according to claim 1, it is characterised in that: the anaerobic
The mill speed of continuous casting and rolling is 0.5 ~ 1.5m/s, and draught pressure is 6 × 106~12×106N。
3. the production method of ultra-thin copper cladding copper aluminum composite material according to claim 1, it is characterised in that: the cold rolling
The condition of processing are as follows: mill speed is 0.5 ~ 2.0m/s, and draught pressure is 5 × 106~15×106N, tension are 0.5 × 106~5×
106N。
4. the production method of ultra-thin copper cladding copper aluminum composite material according to claim 1, it is characterised in that: the cold rolling
First pass reduction of processing is 10 ~ 18%, and total pass reduction is 30 ~ 60%.
5. the production method of ultra-thin copper cladding copper aluminum composite material according to claim 1, it is characterised in that: further include by
Copper-Aluminum compound blank after cold-rolling treatment is made annealing treatment.
6. the production method of ultra-thin copper cladding copper aluminum composite material according to claim 5, it is characterised in that: the annealing
The temperature of processing is 200 ~ 350 DEG C, and the time is 2 ~ 10h.
7. a kind of using ultra-thin copper cladding copper aluminum composite material made from production method as described in claim 1.
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| CN111282991A (en) * | 2020-02-21 | 2020-06-16 | 洛阳铜一金属材料发展有限公司 | Preparation method of copper-aluminum composite plate strip with thick copper layer proportion |
| CN112428634A (en) * | 2020-10-28 | 2021-03-02 | 长沙众兴新材料科技有限公司 | Aluminum-based bimetal composite plate and preparation method thereof |
| CN112775183A (en) * | 2020-12-31 | 2021-05-11 | 洛阳铜一金属材料发展有限公司 | Aluminum-copper-silver composite metal plate and preparation method thereof |
| CN112779482A (en) * | 2020-12-31 | 2021-05-11 | 洛阳铜一金属材料发展有限公司 | Metal plate of copper-aluminum composite high-strength steel wire and preparation method thereof |
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| CN101758070A (en) * | 2010-01-25 | 2010-06-30 | 洛阳铜一金属材料发展有限公司 | Production method of aluminum-titanium compounded metal plate strip |
| CN103060624A (en) * | 2013-01-14 | 2013-04-24 | 洛阳铜一金属材料发展有限公司 | Aluminum substrate material of copper-aluminum composite plate strip, copper-aluminum composite plate strip and processing method of copper-aluminum composite plate strip |
| CN106670235A (en) * | 2016-12-30 | 2017-05-17 | 洛阳铜鑫复合材料科技有限公司 | Production method for copper-aluminum composite board strip and copper-aluminum composite board strip |
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